Patents by Inventor Yishien H. Teng

Yishien H. Teng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Shingle with low density granules and/or backdust
    Patent number: 7805909
    Abstract: A roofing shingle has low density granules adhered to at least a headlap region on a front surface of the roof shingle.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: October 5, 2010
    Inventors: Yishien H. Teng, Sanjay Mansukhani
  • Shingle With Low Density Granules And/Or Backdust
    Publication number: 20090249728
    Abstract: A roofing shingle has low density granules adhered to at least a headlap region on a front surface of the roof shingle.
    Type: Application
    Filed: April 9, 2009
    Publication date: October 8, 2009
    Inventors: Yishien H. Teng, Sanjay Mansukhani
  • Shingles with low density granules and/or backdust
    Publication number: 20080086970
    Abstract: A roofing shingle has low density granules adhered to at least a headlap region on a front surface of the roof shingle.
    Type: Application
    Filed: October 17, 2006
    Publication date: April 17, 2008
    Inventors: Yishien H. Teng, Sanjay Mansukhani